TY  - RPRT
TI  - How case-for-case matching can improve design efficiency.
AU  - I D Bross
PY  - 1969
DO  - 10.1093/oxfordjournals.aje.a120949
UR  - https://pubmed.ncbi.nlm.nih.gov/5778924/
ID  - 5778924
ER  -